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參數(shù)資料
| 型號(hào)： | TSDF52830YS |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Dual - MOSMIC- two AGC Amplifiers for TV-Tuner Prestage with Integrated Band Switch for One-Line Switching |
| 中文描述： | 雙- MOSMIC - 2 AGC放大器的電視調(diào)諧器波段開(kāi)關(guān)前置集成為一個(gè)線開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | TSDF52830YS |
VISHAY
TSDF52830YS
Vishay Semiconductors
Document Number 85178
Rev. 1.1, 26-Aug-04
www.vishay.com
1
VY
CW
WN5
4
5
6
3
2
1
19024
Electrostatic sensitive device.
Observe precautions for handling
Dual - MOSMIC
- two AGC Amplifiers for TV-Tuner Prestage
with Integrated Band Switch for One-Line Switching
Comments
MOSMIC
-
MOS M
onolithic
I
ntegrated
C
ircuit
Description
The Dual-MOSMIC
TSDF52830YS, assembled in
the well-known SOT-363 plastic package, is a combi-
nation of two different MOSMIC
amplifiers with com-
mon Source and common Gate 2 leads and an
integrated switch. One of the MOSMIC stages is opti-
mized for use in VHF applications, especially regard-
ing cross modulation performance and noise figure at
lower VHF frequencies, whereas the other stage is
optimized for use in UHF applications regarding gain
and noise figure performance at higher frequencies of
UHF range. The integrated switch is operated by the
Gate 1 bias of the UHF amplifier on Pin 1. All of the
Gates are protected against excessive input voltage
surges by integrated antiserial diodes between them-
selves and Source.
Features
Two differently optimized amplifiers in a single
package. One of them has a fully internal self-bias-
ing network on chip and the other has a partly inte-
grated bias for easy Gate 1 switch-off with PNP
switching transistors inside PLL -IC
Internal switch for saving lines on PCB layout as
well as external components
Integrated gate protection diodes
Low noise figure, high gain
Typical forward transadmittance of 31 mS
resp. 28 mS
Superior cross modulation at gain reduction
High AGC-range with soft slope
Main AGC control range from 3 V to 0.5 V
Applications
Low noise gain controlled VHF and UHF input stages
with 5 V supply voltage, such as in digital and analog
TV tuners and in other multimedia and communica-
tions equipment.
Typical Application
Mechanical Data
Case:
SOT-363 Plastic case
Weight:
approx. 6.0 mg
V - Vishay
Y - Year, is variable for digit from 0 to 9
(e.g. 3 = 2003, 4 = 2004)
CW - Calendar Week, is variable for
number from 01 to 52
Number of Calendar Week is always indicating
place of pin 1
Pinning:
1 = Gate 1 (UHF amplifier), 2 = Source (common)
3 = Drain (UHF amplifier), 4 = Drain (VHF amplifier),
5 = Gate 2 (common), 6 = Gate1 (VHF amplifier)
AMP2
AMP1
G1
G1
6
1
AGC
V
GG
= 5 V: UHF AMP is on; VHF AMP is off
V
GG
= 0 V: UHF AMP is off; VHF AMP is on
(0 = shorted to Ground or open)
V
GG
VHF
in
UHF
in
C
C
D
4
G2 (common)
5
S (common)
C
RFC
VHF
out
+5 V
D
3
C
RFC
19025
+5 V
C
2
RG1
UHF
out
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